package com.xyl.common.interceptor;

import com.xyl.user.entity.User;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class SessionInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {
        String uri = request.getRequestURI();
        if (uri.indexOf("login") >= 0||uri.indexOf("register") >= 0||uri.indexOf("index") >= 0) {
            return true;
        }
        User user = (User) request.getSession().getAttribute("user");
        if(user!=null){
            return true;
        }else{
            response.sendRedirect("index.jsp");
        }
        return false;
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
